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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
1815 | * - `comment_approved_to_unapproved` |
1816 | * - `comment_spam_to_unapproved` |
1817 | * - `comment_unapproved_to_spam` |
1818 | * - `comment_approved_to_spam` |
1819 | * |
1820 | * @since 2.7.0 |
1821 | * |
1822 | * @param WP_Comment $comment Comment object. |
1823 | */ |
1824 | do_action( "comment_{$old_status}_to_{$new_status}", $comment ); |
1825 | } |
1826 | /** |
1827 | * Fires when the status of a specific comment type is in transition. |
1828 | * |
1829 | * The dynamic portions of the hook name, `$new_status`, and `$comment->comment_type`, |
1830 | * refer to the new comment status, and the type of comment, respectively. |
1831 | * |
1832 | * Typical comment types include 'comment', 'pingback', or 'trackback'. |
1833 | * |